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<?php |
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namespace Fwolf\Util\Uuid; |
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/** |
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* UUID like common format |
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* |
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* Old UUID format: |
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* |
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* [timeLow]-[timeMid]-[custom1]-[custom2](part1/2) |
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* -[custom2](part2/2)[random1][random2] |
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* |
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* timeLow: 8 chars, seconds in microtime, hex format. |
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* timeMid: 4 chars, micro-second in microtime, plus 10000, hex format. |
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* custom1: 4 chars, user defined, '0000' if empty, hex format suggested. |
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* custom2: 8 chars, user defined, hex of user ip if empty, |
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* and random hex string if user ip cannot get, hex format too. |
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* random1: 4 chars, random string, hex format. |
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* random2: 4 chars, random string, hex format. |
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* |
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* New UUID format move custom2(part2) to random part, parts are splitted |
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* separator. |
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* |
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* @see http://us.php.net/uniqid |
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* |
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* @copyright Copyright 2008-2016 Fwolf |
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* @license http://opensource.org/licenses/MIT MIT |
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*/ |
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class Base16 extends AbstractTimeBasedUuidGenerator |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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const LENGTH = 36; |
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/** |
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* {@inheritdoc} |
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*/ |
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const LENGTH_SECOND = 8; |
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/** |
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* {@inheritdoc} |
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*/ |
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const LENGTH_MICROSECOND = 4; |
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/** |
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* {@inheritdoc} |
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*/ |
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const LENGTH_GROUP = 4; |
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/** |
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* {@inheritdoc} |
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*/ |
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const LENGTH_CUSTOM = 4; |
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/** |
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* {@inheritdoc} |
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*/ |
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const LENGTH_RANDOM = 12; |
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/** |
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* {@inheritdoc} |
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*/ |
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const LENGTH_CHECK_DIGIT = 0; |
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/** |
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* {@inheritdoc} |
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*/ |
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const SEPARATOR = '-'; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function explain($uuid) |
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{ |
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$explanation = parent::explain($uuid); |
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$second = $explanation->getSecond(); |
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$second = base_convert($second, 16, 10); |
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$explanation->setSecond(date('Y-m-d H:i:s', $second)); |
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$explanation->setMicrosecond( |
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base_convert($explanation->getMicrosecond(), 16, 10) * 2 |
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); |
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return $explanation; |
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} |
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} |
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fwolf /
uuid.php
